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Performance Analysis of the IEEE 802.11e Enhanced Distributed Coordination Function using
 

Summary: Performance Analysis of the IEEE 802.11e
Enhanced Distributed Coordination Function using
Cycle Time Approach
Inanc Inan, Feyza Keceli, and Ender Ayanoglu
Center for Pervasive Communications and Computing
Department of Electrical Engineering and Computer Science
The Henry Samueli School of Engineering, University of California, Irvine
Email: {iinan, fkeceli, ayanoglu}@uci.edu
Abstract--The recently ratified IEEE 802.11e standard defines
the Enhanced Distributed Channel Access (EDCA) function for
Quality-of-Service (QoS) provisioning in the Wireless Local Area
Networks (WLANs). The EDCA uses Carrier Sense Multiple
Access with Collision Avoidance (CSMA/CA) and slotted Binary
Exponential Backoff (BEB) mechanism. We present a simple
mathematical analysis framework for the EDCA function. Our
analysis considers the fact that the distributed random access
systems exhibit cyclic behavior where each station successfully
transmits a packet in a cycle. Our analysis shows that an AC-
specific cycle time exists for the EDCA function. Validating the
theoretical results via simulations, we show that the proposed

  

Source: Ayanoglu, Ender - Department of Electrical and Computer Engineering, University of California, Irvine

 

Collections: Engineering